Samsung Group

Samsung still stumped by charred Note 7s; heir joins board

Samsung Electronics is still trying to figure out why its Galaxy Note 7 smartphones were catching fire, the company said Thursday, as shareholders appointed the grandson of the company's founder to its board.

The shift of 48-year-old vice chairman Lee Jae-yong, chairman Lee Kun-hee's only son, to a bigger role comes at a crucial time for Samsung, South Korea's biggest company.

Samsung Electronics, the world's largest maker of smartphones, memory chips and TVs, reported a sharp fall in its quarterly earnings after the unprecedented recall and discontinuation of fire-prone Galaxy Note 7 smartphones wiped out its mobile profit in the last quarter.

Investors will be...